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Nadusha1986 [10]
3 years ago
5

If 8 apples cost $5.84, what will be the cost of 18 apples (assuming an equal rate)? use a proportion to solve this problem and

round your answer to the nearest penny.
Mathematics
1 answer:
enyata [817]3 years ago
3 0

8 apples ------- $ 5.84

18 apples ------- x


x= (18*5.54)/8 = 12.47

Answer is $ 12.47.

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The vector v⃗ in 2-space of length 3 pointing up at an angle of π/4 measured from the positive x-axis.
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The vector v in 2-space of length 3 pointing up at an angle of π/4 measured from the positive x-axis is: (3/√2, 3√2) and The vector w in 3-space of length 1 lying in the yz-plane pointing upward at an angle of 2π/3 measured from the positive y-axis is: (0, -1/2, √3/2).

<h3>Vector</h3>

a. Vector (v)

Vector (v)=v (cos Ф, sin Ф)

V=1 while the counterclockwise angle that is measured from positive x=Ф=π/4

Hence:

Vector=3(cos π/4, sinπ/4)

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b. Vector w:

Vector w=1(0, cos 2π/3, sin2π/3)

Vector w=(0, -1/2, √3/2)

Therefore the vector v in 2-space of length 3 pointing up at an angle of π/4 measured from the positive x-axis is: (3/√2, 3√2) and The vector ws: (0, -1/2, √3/2).

The complete question is:

Resolve the following vectors into components:

a. The vector v in 2-space of length 3 pointing up at an angle of π/4 measured from the positive x-axis.

(b) The vector w in 3-space of length 1 lying in the yz-plane pointing upward at an angle of 2π/3 measured from the positive y-axis.

Learn more about vector here:brainly.com/question/25705666

#SPJ1

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